Home / 5,147,730.40-7,104,720.72-2,856,627.04

Finding the Fourth Proportional to 5,147,730.40, 7,104,720.72 and 2,856,627.04

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Solution

The fourth proportional to 5,147,730.40, 7,104,720.72 and 2,856,627.04 is: 3,942,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,730.40 : 7,104,720.72 = 2,856,627.04 : x
  2. Step 2: Convert to fraction form
    5,147,730.40/7,104,720.72 = 2,856,627.04/x
  3. Step 3: Cross multiply
    5,147,730.40x = 7,104,720.72 × 2,856,627.04
  4. Step 4: Simplify right side
    5,147,730.40x = 20,295,537,320,400.27
  5. Step 5: Solve for x
    x = 20,295,537,320,400.27/5,147,730.40
  6. Step 6: Final answer
    x = 3,942,618.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.